I saw this idea and knew I wanted to do it! Now that I look back at the sample though, I think adding some of Fin's body to the silhouette might have been beneficial to avoid the floating head vibe, but none the less, it's pretty cute!
Family Fun site, contact me and I will make a digital tracing of the photo you provide! You'll get a PDF to print the tracing right onto the pattern paper of your choice! Easy peasy. Just contact me for more details!